DISPOSITIONS (Details) (USD $)	3 Months Ended
	Mar. 31, 2014 property	Mar. 31, 2013	Dec. 31, 2013 property
Significant Acquisitions and Disposals
Impairment of Real Estate	$ 4,800,000	$ 8,600,000
Assets Held-for-sale, at Carrying Value	123,515,000		155,340,000
Liabilities of Assets Held-for-sale	48,905,000		64,500,000
Properties classified as held for sale	16		19
Revenues:
Rental income	2,200,000	4,032,000
Resident fees and services	0	618,000
Interest and other income	750,000	0
Total Revenues	2,950,000	4,650,000
Expenses:
Interest	678,000	1,695,000
Depreciation and amortization	281,000	11,475,000
Property-level operating expenses	281,000	912,000
Other	116,000	(524,000)
Total expenses	1,356,000	13,558,000
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax	1,594,000	(8,908,000)
(Loss) gain on real estate dispositions, net	1,437,000	477,000
Discontinued operations	3,031,000	(8,431,000)
Impairment of Long-Lived Assets to be Disposed of	400,000	7,300,000
Triple-Net Leased Properties
Significant Acquisitions and Disposals
Assets Held-for-sale, at Carrying Value	110,440,000		125,981,000
Liabilities of Assets Held-for-sale	48,823,000		50,456,000
Properties classified as held for sale	14		15
MOB Operations
Significant Acquisitions and Disposals
Assets Held-for-sale, at Carrying Value	13,075,000		29,359,000
Liabilities of Assets Held-for-sale	82,000		14,044,000
Properties classified as held for sale	2		4
2014 Dispositions
Significant Acquisitions and Disposals
Proceeds from disposition of assets, including termination fees	26,200,000
Gain (loss) on disposition of assets	2,900,000
Expenses:
(Loss) gain on real estate dispositions, net	1,700,000
2014 Dispositions | Triple-Net Leased Properties | Seniors Housing Communities
Significant Acquisitions and Disposals
Number of real estate properties sold	2
2014 Dispositions | Triple-Net Leased Properties | Skilled Nursing Facilities
Significant Acquisitions and Disposals
Number of real estate properties sold	1
2014 Dispositions | MOB Operations | Medical Office Buildings
Significant Acquisitions and Disposals
Number of real estate properties sold	3
2013 Dispositions
Significant Acquisitions and Disposals
Proceeds from disposition of assets, including termination fees		11,500,000
Lease Termination Fees		300,000
Expenses:
(Loss) gain on real estate dispositions, net		$ 300,000
2013 Dispositions | Triple-Net Leased Properties | Seniors Housing Communities
Significant Acquisitions and Disposals
Number of real estate properties sold		4
2013 Dispositions | Triple-Net Leased Properties | Skilled Nursing Facilities
Significant Acquisitions and Disposals
Number of real estate properties sold		2
2013 Dispositions | MOB Operations | Medical Office Buildings
Significant Acquisitions and Disposals
Number of real estate properties sold		1
Discontinued Operations [Member] | Triple-Net Leased Properties
Significant Acquisitions and Disposals
Properties classified as held for sale	10
Discontinued Operations [Member] | MOB Operations
Significant Acquisitions and Disposals
Properties classified as held for sale	2